JPS524755A - Compressing or expanding circuit - Google Patents

Compressing or expanding circuit

Info

Publication number
JPS524755A
JPS524755A JP51074270A JP7427076A JPS524755A JP S524755 A JPS524755 A JP S524755A JP 51074270 A JP51074270 A JP 51074270A JP 7427076 A JP7427076 A JP 7427076A JP S524755 A JPS524755 A JP S524755A
Authority
JP
Japan
Prior art keywords
compressing
expanding circuit
expanding
circuit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP51074270A
Other languages
English (en)
Inventor
Deitsukotsupu Geruharuto
Shiyureedaa Erunsuto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of JPS524755A publication Critical patent/JPS524755A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G7/00—Volume compression or expansion in amplifiers
    • H03G7/002—Volume compression or expansion in amplifiers in untuned or low-frequency amplifiers, e.g. audio amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
JP51074270A 1975-06-28 1976-06-23 Compressing or expanding circuit Pending JPS524755A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2529012A DE2529012C3 (de) 1975-06-28 1975-06-28 Schaltung zur automatischen Dynamik-Kompression oder -Expansion

Publications (1)

Publication Number Publication Date
JPS524755A true JPS524755A (en) 1977-01-14

Family

ID=5950233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51074270A Pending JPS524755A (en) 1975-06-28 1976-06-23 Compressing or expanding circuit

Country Status (11)

Country Link
US (1) US4035739A (ja)
JP (1) JPS524755A (ja)
AT (1) AT363125B (ja)
BE (1) BE843495R (ja)
BR (1) BR7604059A (ja)
DE (1) DE2529012C3 (ja)
DK (1) DK245076A (ja)
ES (1) ES449247A2 (ja)
FR (1) FR2317821A2 (ja)
GB (1) GB1546394A (ja)
SE (1) SE406138B (ja)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030826A (en) * 1977-09-27 1980-04-10 Licentia Gmbh Compression or expansion systems
DE2803751C2 (de) * 1978-01-28 1982-06-09 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Schaltung zur automatischen Dynamik- Kompression oder -Expansion
US4210874A (en) * 1978-10-23 1980-07-01 Raytheon Company Gain control amplifier circuit
JPS55158715A (en) * 1979-05-29 1980-12-10 Sony Corp Gain control circuit
DE2941961A1 (de) * 1979-10-17 1981-04-30 Krautkrämer GmbH, 5000 Köln Verfahren zur signalspannungsabhaengigen veraenderung des verstaerkungsfaktors
US4337445A (en) * 1981-01-21 1982-06-29 Sony Corporation Compander circuit which produces variable pre-emphasis and de-emphasis
FR2599580B1 (fr) * 1986-05-30 1988-09-23 Elison Sarl Dispositif de reduction du bruit de fond dans une chaine electroacoustique.
US4782285A (en) * 1986-11-03 1988-11-01 Tektronix, Inc. Variable resolution control system
US5518007A (en) * 1994-12-01 1996-05-21 Becker; Joseph H. Electrode locator
US7800440B2 (en) * 2007-08-31 2010-09-21 Analog Devices, Inc. Variable automatic limit control (ALC) threshold for any desired compression curve
US8284971B2 (en) * 2008-11-21 2012-10-09 Envoy Medical Corporation Logarithmic compression systems and methods for hearing amplification

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL93506C (ja) * 1954-06-15
GB1338227A (en) * 1970-01-23 1973-11-21 Dalby Lab Inc Limiters for noise reduction systems
FR2109336A5 (ja) * 1970-10-13 1972-05-26 Thomson Csf

Also Published As

Publication number Publication date
BR7604059A (pt) 1977-07-05
ATA454076A (de) 1980-12-15
DE2529012C3 (de) 1980-07-03
DE2529012B2 (de) 1979-10-04
AT363125B (de) 1981-07-10
SE406138B (sv) 1979-01-22
US4035739A (en) 1977-07-12
DK245076A (da) 1976-12-29
AU1450876A (en) 1977-12-08
BE843495R (fr) 1976-10-18
DE2529012A1 (de) 1977-01-20
SE7607248L (sv) 1976-12-29
FR2317821B1 (ja) 1980-07-18
FR2317821A2 (fr) 1977-02-04
ES449247A2 (es) 1977-08-16
GB1546394A (en) 1979-05-23

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